Section 44, The Nuclear Safety and Radiation Protection Act, 2012

The categories of radioactive substances and practices forthe purposes of this Act shall be classified as follows- (a) category I - non uranium mines and mills having associated radioactive substances in concentration which can lead to significant radiation exposure to workers and the public; (b) category II - assembles, nuclear power reactors, mining and milling of radioactive ores and other facilities of the nuclear fuel cycle; (c) category III - unsealed radiation sources used in medical diagnosis and therapy, agriculture, industry and research; and (d) category 1V-x-ray, that is gamma-ray and other selected sources used in medical diagnosis and therapy.